GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (MALL)

Under the left side of the IP, near the rear of the IP compartment

Body Control System Component Views in Body Control Systems

Body Control System Connector End Views in Body Control Systems

Data Link Connector (DLC)

Under the left side of the IP, to the left of the steering column

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Ignition Lock Cylinder

in the left front of the passenger compartment, in the right hard top of the steering column

Lighting Systems Component Views in Lighting Systems

--

Ignition Switch

In the left front of the passenger compartment, in the left top of the steering column

Engine Electrical Component Views in Engine Electrical

--

Instrument Cluster

In the left side of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

IP Fuse Block

In the left side of the passenger compartment, attached to the door hinge pillar

Power and Grounding Component Views in Wiring Systems

--

Lamp Control Module (LCM) (Buick)

Under the left side of the IP, to the left of the steering column

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Lamp Control Module (LCM) (Oldsmobile)

Under the left side of the IP, to the left of the steering column

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

LH Front Door Lock Actuator

Rear of the left hand front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Door Lock Cylinder Switch

Rear of the left hand front door, on the door lock cylinder

--

Theft Deterrent System Connector End Views

LH Rear Door Lock Actuator

Rear of the left hand rear door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Park/Neutral Position (PNP) Switch (Buick)

On the left side of the transaxle, below the exhaust gas recirculation valve

    •  Engine Controls Component Views in Engine Controls-3.8L
    •  Engine Controls Component Views in Engine Controls-4.0L,4.6L
    •  Engine Controls Connector End Views in Engine Controls-3.8L
    •  Engine Controls Connector End Views in Engine Controls-4.0L,4.6L

Powertrain Control Module (PCM)

Under the right side of the IP, near the rear of the IP compartment

    •  Engine Controls Component Views in Engine Controls-3.8L
    •  Engine Controls Component Views in Engine Controls-4.0L,4.6L
    •  Powertrain Control Module Connector End Views in Engine Controls-3.8L
    •  Powertrain Control Module Connector End Views in Engine Controls-4.0L,4.6L

Rear Compartment Lid Tamper Switch

Center of the rear compartment, on the rear compartment latch

--

Theft Deterrent System Connector End Views

Remote Function Actuator (RFA) Module

In the right rear of the passenger compartment, under the rear shelf trim panel

Keyless Entry Component Views in Keyless Entry

Keyless Entry Connector End Views in Keyless Entry

Remote Indicator Bank

Left hand of the of the instrument panel, above the instrument cluster

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

RH Front Door Lock Cylinder Switch

Rear of the right hand front door, on the door lock cylinder

--

Theft Deterrent System Connector End Views

RH Rear Door Lock Actuator

Rear of the right hand rear door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Fuse Block

Right hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Starter Solenoid (VIN 1)

Center front of the engine, on the starter motor

Engine Electrical Component Views in Engine Electrical

--

Starter Solenoid (VIN C)

Center top of the engine, under the intake manifold

--

--

Theft Deterrent Module

Under the right side of the IP, near the rear of the IP compartment

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Theft Deterrent Relay

Under the left hand of the instrument panel, near the body control module

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

C101 (78 cavities)

Body harness to the engine harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C102 (30 cavities)

Body harness to the body harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C114 (7 cavities)

Body harness to the park/neutral switch harness, left hand center of the engine compartment

--

Inline Harness Connector End Views in Wiring Systems

C131 (2 cavities)

Engine harness to the starter harness, under the left hand of the instrument panel

Harness Routing Views in Wiring Systems

--

C202 (48 cavities)

Body harness to the steering column harness, under the left hand of the instrument panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G201

Right hand front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

--

G302

left hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

--

P100

Left hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

P107

Right hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

P500

Front of the left hand front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

P600

Front of the right hand front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

P700

Front of the left hand rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

P800

Front of the right hand rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

--

S211

In the body harness, approx 35.5 cm (14 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

--

S212

In the body harness, approx 7 cm (3 in) from the P600 pass-though

Harness Routing Views in Wiring Systems

--

S223

In the body harness, approx 28.5 cm (11 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

--

S225

In the body harness, approx 24.5 cm (10 in) from the G201 ground

Harness Routing Views in Wiring Systems

--

S241

In the body harness, approx 82.5 cm (32.5 in) from the powertrain control module

Harness Routing Views in Wiring Systems

--

S248

In the body harness, approx 43.5 cm (17 in) from the powertrain control module

Harness Routing Views in Wiring Systems

--

S253

In the body harness, approx 32 cm (13 in) from the G201 ground

Harness Routing Views in Wiring Systems

--

S254

In the body harness, approx 25.5 cm (10 in) from the G201 ground

Harness Routing Views in Wiring Systems

--

S258

In the body harness, approx 32 cm (13 in) from the park brake switch

Harness Routing Views in Wiring Systems

--

S260

In the body harness, approx 30 cm (12 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

--

S261

In the body harness, approx 61.5 cm (24 in) from the power train control module

Harness Routing Views in Wiring Systems

--

S359

In the body harness, approx 139 cm (55 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

--

S363

In the body harness, approx 76 mc (30 in) from the G302 ground

Harness Routing Views in Wiring Systems

--

S366

In the body harness, approx 111 cm (44 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

--

S418

In the body harness, approx 92 cm (36 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

--

S427

In the body harness, approx 95.5 cm (38 in) from the C410 connector

Harness Routing Views in Wiring Systems

--

S451

In the body harness, approx 150 cm (59 in) from the P800 pass-through

--

--